Finding the Fourth Proportional to 236,806.26, 326,801.07 and 129,382.98
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Solution
The fourth proportional to 236,806.26, 326,801.07 and 129,382.98 is: 178,553.12
Step by Step Solution
- Step 1: Write the proportion equation
236,806.26 : 326,801.07 = 129,382.98 : x - Step 2: Convert to fraction form
236,806.26/326,801.07 = 129,382.98/x - Step 3: Cross multiply
236,806.26x = 326,801.07 × 129,382.98 - Step 4: Simplify right side
236,806.26x = 42,282,496,303.79 - Step 5: Solve for x
x = 42,282,496,303.79/236,806.26 - Step 6: Final answer
x = 178,553.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.